XML 88 R85.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 0 Months Ended
--- | ---
Feb. 25, 2014 Depositary units [Member] | May 05, 2014 Dividend Declared [Member] Depositary units [Member] Limited partners | Jul. 29, 2014 Energy Segment [Member]
Subsequent Event [Line Items] |  |  |
Distribution declared per depositary unit | $ 1.50 | $ 1.50 |
Property damage insurance deductible |  |  | $ 5.0
Workers compensation accident deductible |  |  | $ 0.5

X
- Definition Property damage insurance deductible + References No definition available. + Details
Name: | iep_Propertydamageinsurancedeductible
Namespace Prefix: | iep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Workers compensation accident deductible + References No definition available. + Details
Name: | iep_Workerscompensationaccidentdeductible
Namespace Prefix: | iep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration